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Agent skill

Wp Plugin Development

by gambitph in gambitph/Stackable

A skill your agent uses when developing WordPress plugins: architecture and hooks, activation/deactivation/uninstall, admin UI and Settings API, data storage, cron/tasks, security…

GPL-3.0Auto-check passedAgent Workflows

Install Wp Plugin Development

skills CLI
$ npx skills add gambitph/Stackable --skill wp-plugin-development -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install gambitph/Stackable wp-plugin-development --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/gambitph/Stackable.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.cursor/skills/wp-plugin-development .claude/skills/wp-plugin-development && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
wp-plugin-development
GitHub stars
350
Used in
3 other repos
Token cost
~999 tokens
SKILL.md length
424 words
Files
8 (incl. scripts, references)
Skills in repo
18
Repo updated
First seen
Licence
GPL-3.0

At a glance

A skill your agent uses when developing WordPress plugins: architecture and hooks, activation/deactivation/uninstall, admin UI and Settings API, data storage, cron/tasks, security…

  • Works in 6 steps: Triage and locate plugin entrypoints → Follow a predictable architecture → Hooks and lifecycle… → …
  • Developing WordPress plugins: architecture and hooks
  • SKILL.md covers When to use, Inputs required, Procedure and Verification, plus 2 more sections
  • Runs JavaScript scripts from its folder; calls node

What it does

Wp Plugin Development is an agent skill from gambitph/Stackable. Use when developing WordPress plugins: architecture and hooks, activation/deactivation/uninstall, admin UI and Settings API, data storage, cron/tasks, security (nonces/capabilities/sanitization/escaping), and release packaging.

Its SKILL.md is about 1000 tokens, which your agent loads only when the skill is triggered. The skill folder holds 9 other files, including scripts and reference files (for example `references/data-and-cron.md`, `references/debugging.md` and `references/lifecycle.md`). Compatibility notes: Targets WordPress 7.0+ (PHP 7.4.0+). Filesystem-based agent with bash + node. Some workflows require WP-CLI.

It sits in Agent Workflows, covering Hooks and plugins and Scheduled and recurring tasks. It works with WordPress. The repository describes itself as: Page Builder Blocks for WordPress. An Amazing Block Library for the new WordPress Block Editor (Gutenberg). The licence is GPL-3.0.

When your agent uses it

  • Developing WordPress plugins: architecture and hooks
  • Activation/deactivation/uninstall
  • Admin UI and Settings API
  • Security (nonces/capabilities/sanitization/escaping)

Example prompts

  • “/wp-plugin-development”

Requirements

  • Node.js
  • Compatibility (from SKILL.md): Targets WordPress 7.0+ (PHP 7.4.0+). Filesystem-based agent with bash + node. Some workflows require WP-CLI.

Workflow steps

6 steps, taken from the step headings in SKILL.md.

  1. Triage and locate plugin entrypoints
  2. Follow a predictable architecture
  3. Hooks and lifecycle (activation/deactivation/uninstall)
  4. Settings and admin UI (Settings API)
  5. Security baseline (always)
  6. Data storage, cron, migrations (if needed)

What it can do on your machine

Read from SKILL.md and the folder at commit 5c13d80. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (JavaScript), which the agent can run.

    Shell commands in SKILL.md call:

    • node

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Targets WordPress 7.0+ (PHP 7.4.0+). Filesystem-based agent with bash + node. Some workflows require WP-CLI.

    From compatibility in the SKILL.md frontmatter.

Context cost

Wp Plugin Development loads about 999 tokens when it runs, and up to ~2k if it reads all its reference files. Until then it costs about 62 tokens; SKILL.md has 424 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~62
When it runs · the whole SKILL.md, loaded when a task matches
~999
With references · SKILL.md plus every file in references/, read only if the agent opens them
~2k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from gambitph/Stackable at commit 5c13d80, republished under its GPL-3.0 licence (© gambitph). 424 words, ~999 tokens.

Download SKILL.mdSave it as .claude/skills/wp-plugin-development/SKILL.md (or your agent's skills folder). This skill also uses 7 other files; get the full folder from GitHub.
name
wp-plugin-development
description
Use when developing WordPress plugins: architecture and hooks, activation/deactivation/uninstall, admin UI and Settings API, data storage, cron/tasks, security (nonces/capabilities/sanitization/escaping), and release packaging.
compatibility
Targets WordPress 7.0+ (PHP 7.4.0+). Filesystem-based agent with bash + node. Some workflows require WP-CLI.

WP Plugin Development

When to use

Use this skill for plugin work such as:

  • creating or refactoring plugin structure (bootstrap, includes, namespaces/classes)
  • adding hooks/actions/filters
  • activation/deactivation/uninstall behavior and migrations
  • adding settings pages / options / admin UI (Settings API)
  • security fixes (nonces, capabilities, sanitization/escaping, SQL safety)
  • packaging a release (build artifacts, readme, assets)

Inputs required

  • Repo root + target plugin(s) (path to plugin main file if known).
  • Where this plugin runs: single site vs multisite; WP.com conventions if applicable.
  • Target WordPress + PHP versions (affects available APIs and placeholder support in $wpdb->prepare()).

Procedure

0) Triage and locate plugin entrypoints
  1. Run triage:
    • node skills/wp-project-triage/scripts/detect_wp_project.mjs
  2. Detect plugin headers (deterministic scan):
    • node skills/wp-plugin-development/scripts/detect_plugins.mjs

If this is a full site repo, pick the specific plugin under wp-content/plugins/ or mu-plugins/ before changing code.

1) Follow a predictable architecture

Guidelines:

  • Keep a single bootstrap (main plugin file with header).
  • Avoid heavy side effects at file load time; load on hooks.
  • Prefer a dedicated loader/class to register hooks.
  • Keep admin-only code behind is_admin() (or admin hooks) to reduce frontend overhead.

See:

  • references/structure.md
2) Hooks and lifecycle (activation/deactivation/uninstall)

Activation hooks are fragile; follow guardrails:

  • register activation/deactivation hooks at top-level, not inside other hooks
  • flush rewrite rules only when needed and only after registering CPTs/rules
  • uninstall should be explicit and safe (uninstall.php or register_uninstall_hook)

See:

  • references/lifecycle.md
3) Settings and admin UI (Settings API)

Prefer Settings API for options:

  • register_setting(), add_settings_section(), add_settings_field()
  • sanitize via sanitize_callback

See:

  • references/settings-api.md
Show full SKILL.md (190 more words)Show less
4) Security baseline (always)

Before shipping:

  • Validate/sanitize input early; escape output late.
  • Use nonces to prevent CSRF and capability checks for authorization.
  • Avoid directly trusting $_POST / $_GET; use wp_unslash() and specific keys.
  • Use $wpdb->prepare() for SQL; avoid building SQL with string concatenation.

See:

  • references/security.md
5) Data storage, cron, migrations (if needed)
  • Prefer options for small config; custom tables only if necessary.
  • For cron tasks, ensure idempotency and provide manual run paths (WP-CLI or admin).
  • For schema changes, write upgrade routines and store schema version.

See:

  • references/data-and-cron.md

Verification

  • Plugin activates with no fatals/notices.
  • Settings save and read correctly (capability + nonce enforced).
  • Uninstall removes intended data (and nothing else).
  • Run repo lint/tests (PHPUnit/PHPCS if present) and any JS build steps if the plugin ships assets.

Failure modes / debugging

  • Activation hook not firing:
    • hook registered incorrectly (not in main file scope), wrong main file path, or plugin is network-activated
  • Settings not saving:
    • settings not registered, wrong option group, missing capability, nonce failure
  • Security regressions:
    • nonce present but missing capability checks; or sanitized input not escaped on output

See:

  • references/debugging.md

Escalation

For canonical detail, consult the Plugin Handbook and security guidelines before inventing patterns.

© gambitph, GPL-3.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 7 other files (scripts, references) in .cursor/skills/wp-plugin-development of gambitph/Stackable.

  • SKILL.md
  • references/data-and-cron.md
  • references/debugging.md
  • references/lifecycle.md
  • references/security.md
  • references/settings-api.md
  • references/structure.md
  • scripts/detect_plugins.mjs

Open the folder on GitHubat commit 5c13d80

Used in 3 other repositories

We found 3 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 3 other GitHub owners. This page covers the copy in gambitph/Stackable, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Wp Plugin Development next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Wp Plugin Development compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Wp Plugin Development this skillgambitph/Stackable3503 repos~999Automated safety check: PassGPL-3.0
Tlon Product Guidetloncorp/tlon-apps107—~11kAutomated safety check: PassMIT
Repeatsoftspark/ai-toolkit179—~1.2kAutomated safety check: NotesApache-2.0
Wp Plugin Developmentjorgerosal/wordpress-skills100—~438Automated safety check: PassMIT
Wp Wpcli And OpsAutomattic/agent-skills2112 repos~988Automated safety check: PassNone
Cronalytics8bit64k/cronalytics111—~4.7kAutomated safety check: PassMIT

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Works with

Categories

Questions about Wp Plugin Development

What does Wp Plugin Development do?

A skill your agent uses when developing WordPress plugins: architecture and hooks, activation/deactivation/uninstall, admin UI and Settings API, data storage, cron/tasks, security…. Wp Plugin Development is an agent skill from gambitph/Stackable. Use when developing WordPress plugins: architecture and hooks, activation/deactivation/uninstall, admin UI and Settings API, data storage, cron/tasks, security (nonces/capabilities/sanitization/escaping), and release packaging.

When should I use Wp Plugin Development?

Wp Plugin Development fits situations like: developing WordPress plugins: architecture and hooks; activation/deactivation/uninstall; admin UI and Settings API; security (nonces/capabilities/sanitization/escaping).

How do I install Wp Plugin Development in Claude Code?

Run `npx skills add gambitph/Stackable --skill wp-plugin-development -a claude-code`. Or copy the skill folder (.cursor/skills/wp-plugin-development in gambitph/Stackable) into .claude/skills/wp-plugin-development in your project. Claude Code loads it when a task matches its description.

How do I install Wp Plugin Development in Codex?

Run `npx skills add gambitph/Stackable --skill wp-plugin-development -a codex`. Or copy the skill folder (.cursor/skills/wp-plugin-development in gambitph/Stackable) into .agents/skills/wp-plugin-development in your project. Codex loads it when a task matches its description.

Can I use Wp Plugin Development in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add gambitph/Stackable --skill wp-plugin-development -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/wp-plugin-development, .gemini/skills/wp-plugin-development, .github/skills/wp-plugin-development and .opencode/skills/wp-plugin-development in your project.

What does Wp Plugin Development need to run?

Going by SKILL.md and its folder, Wp Plugin Development needs JavaScript for the scripts in its folder and the command-line tools its instructions call (node). Our summary lists: Node.js. Compatibility (from SKILL.md): Targets WordPress 7.0+ (PHP 7.4.0+). Filesystem-based agent with bash + node. Some workflows require WP-CLI..

Does Wp Plugin Development access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Wp Plugin Development safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Wp Plugin Development use?

Wp Plugin Development is published under the GPL-3.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Wp Plugin Development use?

About 999 tokens (SKILL.md is roughly 4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 996 tokens, read only when the agent opens those files.

What are the alternatives to Wp Plugin Development?

Skills that share tags, products or a category with Wp Plugin Development: Tlon Product Guide (tloncorp/tlon-apps, 107 stars), Repeat (softspark/ai-toolkit, 179 stars), Wp Plugin Development (jorgerosal/wordpress-skills, 100 stars) and Wp Wpcli And Ops (Automattic/agent-skills, 211 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Wp Plugin Development?

gambitph (a GitHub organization) maintains it in gambitph/Stackable, which has 350 GitHub stars. The repository holds 18 skills in this directory. The repository was last updated on October 7, 2026.

Source: gambitph/Stackable on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.